Indication of size and mounting options of a computer or its components
For form factors of computing components other than motherboards, see Form factor (design).
For computer form factors both larger and smaller than desktop personal computers, see list of computer size categories.
In computing, the motherboard form factor is the specification of a motherboard – the dimensions, power supply type, location of mounting holes, number of ports on the back panel, etc. Specifically, in the IBM PC compatible industry, standard form factors ensure that parts are interchangeable across competing vendors and generations of technology, while in enterprise computing, form factors ensure that server modules fit into existing rackmount systems. Traditionally, the most significant specification is for that of the motherboard, which generally dictates the overall size of the case. Small form factors have been developed and implemented.
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In computing, the motherboardformfactor is the specification of a motherboard – the dimensions, power supply type, location of mounting holes, number...
components. A case's motherboard and power supply unit (PSU) formfactor must all match, though some smaller formfactormotherboards of the same family...
the standard 0.8 inch spacing) to the standard 12-inch ATX motherboard width. Formfactors considered obsolete in 1999 included Baby-AT, full size AT...
uATX or mATX) is a standard motherboardformfactor introduced in December 1997. The maximum size of a microATX motherboard is 9.6 × 9.6 in (244 × 244 mm)...
which may be impossible for the larger Mini-ITX formfactor. The smaller formfactor Nano-ITX motherboard lacks a CPU socket module, which limits its flexibility...
commonly used for: Small formfactor (desktop and motherboard), desktop computers and motherboards with smaller than ATX formfactor, including micro ATX...
packaging Formfactor (mobile phones) Computer formfactor, the specifications of computer motherboards Hard disk drive formfactorFormFactor (company)...
FlexATX is a motherboardformfactor derived from ATX. The specification was released in 1999 by Intel as an addendum to the microATX specification. It...
Ultra ATX is an 14.4 × 9.6 in (366 × 244 mm) motherboardformfactor proposed by Foxconn during CES in January 2008. In principle, it is simply an oversized...
MEB and TEB ("Thin Electronics Bay") are standard formfactors for dual or multi processor motherboards defined by the Server System Infrastructure (SSI)...
Gumstix is an American multinational corporation headquartered in Redwood City, California. It develops and manufactures small system boards comparable...
purposes, and in nearly any formfactor. Manufacturers are also able to produce systems of a specialized or non-standard formfactor, since the system is sold...
XTX is a computer-on-module (COM) standard for x86-based embedded devices. XTX adds PCI-Express, SATA, and LPC capabilities. The standard was promulgated...
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